Tissue holder



FIG. 1 is a perspective view of a tissue holder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof; and

FIG. 6 is a right end view thereof; and,

FIG. 7 is a left end view thereof. 

The ornamental design for a tissue holder, as shown and described. 